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Questions tagged [encoder]

Encoder is a software program, device or algorithm that converts information from one format or code to another, for the purposes of standardization, speed, secrecy, security or compressions.

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How to pack Android MediaCodec encoded H264 into RTP packets

How can I properly pack a H264 byte stream into RTP packets so I can receive frames with FFMPEG? When I start the FFMPEG receiver, it pumps out a lot of errors like these: Invalid UE golomb code [h264 @ 0xd63060] pps_id 3199971767 out of range [h264…
Sean Connor
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Error Using Coder in Swift 3

I am trying to add an "Event" through an @IOButton using NSUserDefaults. Before I upgraded to Swift 3 my code was running fine. Using the "convert" helper from Xcode, I was still able to run the code no problems. I have further updated the version…
mmr118
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Prevent GDI+ PNG Encoder from adding Gamma information to a 1-bit PNG

I wonder if its possible to instruct the Imaging PNG Encoder not to add any gamma and chroma informations to a 1-bit PNG. I am creating a 2 color palette for the image ColorPalette* pal = (ColorPalette*)CoTaskMemAlloc(sizeof(ColorPalette) + 2 *…
philk
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AS3 Cipher Decoder & Encoder (better answer?)

Last night, my little brother asked me if it were possible to make a program that would substitute every letter for another letter in the alphabet, to turn it into a code, and also turn it back to its normal state. So I made this:…
HomeStarRunnerTron
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android app to make mp4 video from image

I take a picture from the camera preview and then save the obtained byte array into a jpeg file. Now I want to save/encode that image file(jpeg) as a video file (mp4) of 2 seconds duration. I know about MediaMuxer in Android 4.3 and I tried with the…
Siv
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First non-zero element encoder in Verilog

Suppose I have an array A containing binary numbers, e.g. [0 0 1 0 1 1]. Now I want to build an encoder that can identify the location of the first '1' in array A. For example, the logic should output 3 for array A if we give index 1 to the first…
Nan
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Object has no attribute 'encode'

I'm trying to attach an xlsx file to my email. I looked up solutions and it involves using email.encoders. But when I use this solution I get an error. I'm using a solution that someone else has working. File "C:\Documents and…
FatFockFrank
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H264 encoder error

I am trying to use a H264 encoder for streaming video from an Android device. For capturing the images I am using the back camera; images are in NV21 format. The codec is properly initialized, but when setting up the codec throws an error "configure…
user4091283
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JM H.264 encoder error message maxsliceperpicture

I'm trying to intra- code an Image with the JM Software. My Input- Image has the size 1920x1080/50p. With the following config- File I've already coded the test- Pictures. As soon as I use my own Images (I've used many different coded yuv- Images,…
resatee
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Bitrate is not getting limited for H.264 HW accelerated encode on iOS using the VideoToolbox API

Bitrate is not getting limited for H.264 HW accelerated encode on iOS using the VideoToolbox API with property kVTCompressionPropertyKey_AverageBitRate. It is observed that the bitrate is shooting upto 4mbps(for both 1280x780, 640x360) at times for…
user1619571
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Will all phones support YUV 420 (Semi) Planar color format in h.264 encoder?

Preambule: This may sound like a very specific question, but this is actually a go / no go to build an API 16+ Android application using MediaCodec that is compatible with most phone. I have an application with a h.264 MediaCodec that receives data…
Léon Pelletier
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The H.264 avc video encoded by MediaCodec in Android cannot be played

BACKGROUND: I have been working on implementing a Vine like video recorder for two days. First, I tried the MediaRecorder. But the video I need may be composed by small video clips. This class cannot be used to record a short-time video clip. Then I…
James Zhao
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How enable Deblocking Filter in ffmpeg h264 Encoder

I am new to ffmpeg. I have searched Stack Overflow for this question, but was not able to get the exact answer. export LD_LIBRARY_PATH=:./FFMPEGEncLibs ./ffmpegEnc -f rawvideo -r 60 -s 1920x1080 -vcodec rawvideo -i ./encIn/piglab_1frames.yuv -c:v…
Codec Guy
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Show progress of a video conversion with FFMpeg

I'm using C# WinForms to make a video converter, I'm using NReco.VideoConverter library. It has an EventHandler named ConvertProgress but I have never used EventHandlers, I was searching for some information on internet, but I still don't know how…
ChrisCreateBoss
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ENCODER-DECODER : Decoder not accepting large string value

Actually I made this program just for fun. It comprises of an encoder and a decoder. The encoder works as follows : user will input a string it will take out each character one by one from the string it will store its ASCII equivalent in a…
Dost Arora
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